﻿#region License, Terms and Conditions
//
// Copyright (c) 2008, aspZone.com
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the <organization> nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY aspZone.com ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Author(s):
//  John Rudolf Lewis (http://aspZone.com)
//
#endregion

namespace AspZone.Commerce.Model
{
    /// <summary>
    /// Represents an item in an Order
    /// </summary>
    public class OrderItem
    {
        /// <summary>
        /// Gets or sets the primary unique identifier.
        /// </summary>
        public int Id { get; set; }

        /// <summary>
        /// Gets or sets the quantity.
        /// </summary>
        public int Quantity { get; set; }

        /// <summary>
        /// Gets or sets the associated Product.
        /// </summary>
        public Product Product { get; set; }

        /// <summary>
        /// Determines wheter this <see cref="OrderItem"/> and a specified <see cref="OrderItem"/> are the same entity.
        /// </summary>
        /// <param name="orderItem">the <see cref="OrderItem"/> with which to compare with this <see cref="OrderItem"/>.</param>
        /// <returns>true if the two OrderItems are the same entity.</returns>
        public bool Equals(OrderItem orderItem)
        {
            return orderItem.Id == this.Id;
        }

        /// <summary>
        /// Returns a string representation of this OrderItem,
        /// </summary>
        /// <returns>a string value that represents this OrderItem.</returns>
        public override string ToString()
        {
            return this.Id.ToString();
        }

        /// <summary>
        /// Returns the hashcode of this instance.
        /// </summary>
        /// <returns>the hashcode of this instance.</returns>
        public override int GetHashCode()
        {
            return this.Id.GetHashCode();
        }
    }
}
